import Vue from 'vue'
import Router from 'vue-router'
import Login from "./components/Login.vue"
import Home from "./components/home.vue"
import Welcome from "./components/Welcome.vue"
import User from "./components/User.vue"
Vue.use(Router)

const router = new Router({
  routes: [
    { path: '/', redirect: '/login' },
    { path: '/login', component: Login },
    {
      path: '/home',
      component: Home,
      redirect: '/welcome',
      children: [{ path: '/welcome', component: Welcome },
      { path: '/users', component: User }
      ]
    }
  ]
})
router.beforeEach((to, from, next) => {
  if (to.path === '/login') return next();
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})
export default router;